added property example for models' property.

Author: HugoMario

src/main/resources/handlebars/htmlDocs/index.mustache

@@ -171,6 +171,9 @@
         <div class="param-enum-header">Enum:</div>
         {{#_enum}}<div class="param-enum">{{this}}</div>{{/_enum}}
       {{/is}}
+      {{#example}}
+          <div class="param-desc"><span class="param-type">example: {{example}}</span></div>
+      {{/example}}
       {{/vars}}
     </div>  <!-- field-items -->
   </div>

src/main/resources/mustache/htmlDocs/index.mustache

@@ -171,6 +171,9 @@
         <div class="param-enum-header">Enum:</div>
         {{#_enum}}<div class="param-enum">{{this}}</div>{{/_enum}}
       {{/isEnum}}
+      {{#example}}
+          <div class="param-desc"><span class="param-type">example: {{example}}</span></div>
+      {{/example}}
       {{/vars}}
     </div>  <!-- field-items -->
   </div>